【Double-Layer Vacuum Insulation: Long-Lasting Heat and Cold Retention】The food flasks for hot food uses an advanced food-grade 304 stainless steel inner liner combined with a double-layer vacuum structure, forming a highly efficient heat insulation layer between the inner and outer walls, greatly slowing down heat transfer. It can keep everyday meals at a comfortable eating temperature for up to 6 hours, while soups and stews can be kept warm for up to 8 hours. Similarly, this structure also has excellent cold retention capabilities, making it suitable for carrying fruit salads or chilled drinks in summer. 【Silicone Sealing Ring Design: Ensuring 360-Degree Leak-Proof Safety】The insulated thermal food jar has a highly elastic silicone sealing ring embedded inside. When you tighten the lid, it fits tightly against the opening, forming a reliable seal. This design effectively prevents soups and porridges from leaking due to shaking during transport.Whether placed horizontally in a backpack side pocket or occasionally tilted, it ensures that the contents are completely leak-proof, completely preventing stains on your commuter bag, car interior, or desk. 【Internal Layered Structure: Easily Solves the Problem of Food Flavor Mixing】Our meticulously designed removable internal layered dividers allow you to neatly separate main courses, dishes, and even dessert fruit within the same insulated container. This design makes meal planning more flexible, achieving both separation of meat and vegetables for nutritional balance and catering to the needs of multiple meals for one person. No need to carry multiple containers; one insulated container is all you need for a well-balanced meal with distinct flavors. 【Includes a Hidden Spoon and Insulated Bag: A Complete Dining Experience】 The set not only includes the thermos soup container itself but also thoughtfully includes a foldable portable spoon and a dedicated insulated bag. The folding spoon is cleverly concealed at the top of the lid,easily unfolded for use during meals, completely eliminating the embarrassment of forgetting your utensils. The thickened insulated bag provides extra insulation for the insulated container when out and about, making it easy to carry while also serving an aesthetic and protective function for the container. 【Foldable Portable Handle: Easily Adaptable to Multiple Occasions】 The stainless steel lunch box features a user-friendly foldable handle. When not in use, it folds neatly to fit the container, saving storage space. When needed, it unfolds, providing a comfortable grip and even weight distribution, making it easy to carry even for extended periods. Its exceptional portability makes it ideal for daily commutes, work/school trips, outdoor picnics, short trips, and fitness activities. The sleek and stylish black design suits various users and occasions, combining practicality and aesthetics.